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leds: class: If no default trigger is given, make hw_control trigger the default...
author
Heiner Kallweit
<hkallweit1@gmail.com>
Fri, 22 Dec 2023 21:32:28 +0000
(22:32 +0100)
committer
Lee Jones
<lee@kernel.org>
Thu, 7 Mar 2024 08:47:56 +0000
(08:47 +0000)
If a hw_control_trigger is defined, it's usually desirable to make it
the default trigger. Therefore make it the default trigger, except
the driver explicitly set a default trigger.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link:
https://lore.kernel.org/r/f33543de-3800-488f-a779-1fa282614462@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
drivers/leds/led-class.c
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diff --git
a/drivers/leds/led-class.c
b/drivers/leds/led-class.c
index
ba1be15
..
24fcff6
100644
(file)
--- a/
drivers/leds/led-class.c
+++ b/
drivers/leds/led-class.c
@@
-552,6
+552,12
@@
int led_classdev_register_ext(struct device *parent,
led_init_core(led_cdev);
#ifdef CONFIG_LEDS_TRIGGERS
led_init_core(led_cdev);
#ifdef CONFIG_LEDS_TRIGGERS
+ /*
+ * If no default trigger was given and hw_control_trigger is set,
+ * make it the default trigger.
+ */
+ if (!led_cdev->default_trigger && led_cdev->hw_control_trigger)
+ led_cdev->default_trigger = led_cdev->hw_control_trigger;
led_trigger_set_default(led_cdev);
#endif
led_trigger_set_default(led_cdev);
#endif